using savi information to improve decision making in central indiana

SAVICommunity Information System

Using SAVI Information to Improve Decision Making in Central Indiana

Sharon Kandris and Jay ColbertThe Polis Center at IUPUI

A Case Study: Address Verification for Sex Offenders

SAVICommunityInformationSystem

Agenda

• SAVI Overview (Data and Tools)• Indiana Code Defining Sex Offender

Exclusion Zones• SAVI Data Available to Support Analysis• SAVI Data Methodology• SAVI Data Quality• Limitations and Warnings


What is SAVI?

One-stop shop for data about Central Indiana

• Boone • Brown • Hamilton • Hancock • Hendricks • Johnson

•Madison •Marion •Morgan •Putnam•Shelby


SAVI Data


SAVI is a Database

• Approximately 30 data providers• Formats: Maps, charts, tables, and reports• 19 years of data: 1988 – 2007


SAVI is a Database

SAVI provides data in the following major categories:

• Arts, culture, and recreation• Demographics• Economy• Education• Health• Housing• Natural features (streams, rivers, etc.)• Political and administrative boundaries• Public assistance• Sites, programs, and agencies (community assets)• Transportation and mobility


Geographic Levels

• SAVI data are summarized by:• Counties• Townships• School Corporations• Neighborhoods• Census Tracts• Census Block Groups• City Limits• ZIP Codes


Community Assets

• Banks• Community Development Corporations• Human Service Programs• Libraries• Licensed Day Care Centers• Licensed Home Day Cares• Local Health Departments• Parks (Points)• Places of Worship• Playgrounds (2002)• Registered Day Care Ministries• Schools• United Way Agencies


Toxic Waste Sites:IN Department of Environmental Management

• Brownfields• Commissioner Bulletins• Confined Feeding Operations• Construction Demolition

Waste• Leaking Underground Storage

Tanks• Open Dumps • Underground Storage Tanks• Voluntary Redemption

Program Sites

• Waste Industrial Sites• Waste Restricted Sites• Waste Septage Sites• Waste Solid Active

Permitted Sites• Waste Tire Sites• Waste Transfer Stations• Waste Treatment Storage

Disposal Sites


Health FacilitiesIndiana State Department of Health

• Ambulatory Surgery Centers• Community Health Centers• Comprehensive Outpatient Rehabilitation Facilities• Home Health Agencies• Hospices• Hospitals• Intermediate Care Facilities for the Mentally Retarded• Long Term Care Facilities• Nursing Homes • Outpatient Physical Therapy/Speech Pathology Services• Rural Health Clinics• Women, Infants, and Children (WIC) Clinics


Human Service Programs Connect 2 Help (211)

• Case/Care Management• Christmas Programs• Clothing Programs• Community Centers• Continuing Education

Programs• Food Pantries• Health Education

Programs• Job Search/Placement

• Mother and Infant Care• Municipal

Services/Public Works• Outpatient Mental Health

Facilities• Senior Centers• Special Interest Clubs• Substance Abuse

Counseling• Utility Assistance• Wellness Programs• Youth Programs


SAVI Interactivewww.savi.org


Community Profiles


New Web Developments: Community Profiles

1,934 Community Profiles – dynamically generated• Provide an overview of the community’s

demographic composition, economy, housing, education, health, and history (when available)

County 11

Township 119

School corporation 65

Census tract 351

Census block group 1,143

Neighborhood 245


Create a Custom Community


Custom Community Profiles


Select:•Arlington Ave.•Emerson Ave. •42nd St.•30th St.

Street Highlighter Tool


My SAVI

Users can save their data, maps, charts, etc!


Interactive Mapping


View Tabular Data


Interactive Charts & Graphs


Charts & Graphs


Using Your Own Data with SAVIGPS Points and Addresses


Mapping Your Data

http://www.indygov.org/eGov/City/DPR/Parks/List/Stringtown+Park.htm


Reference Room - Data Links


Data Resource Links


Indiana Code: Defining Sex Offender Exclusion Zones


Indiana Code

• A sex offender cannot live within 1000’ of:• School Property• Public Park• Youth Program Center


Indiana Code: Defining “School Property”

IC 35-41-1-24.7 – “School property" defined"School property" means the following:

(1) A building or other structure owned or rented by:(A)a school corporation;(B)an entity that is required to be licensed under IC 12-17.2 (e.g., daycare or

child care) or IC 31-27 (e.g., child caring institutions, foster family homes, group homes, and child placing agencies);

(C)a private school that is not supported and maintained by funds realized from the imposition of a tax on property, income, or sales; or

(D)a federal, state, local, or nonprofit program or service operated to serve, assist, or otherwise benefit children who are at least three (3) years of age and not yet enrolled in kindergarten, including the following:

(i) A Head Start program under 42 U.S.C. 9831 et seq.(ii) A special education preschool program.(iii) A developmental child care program for preschool children.

(2) The grounds adjacent to and owned or rented in common with a building or other structure described in subdivision (1).


SAVI Data: School Property

Locations of:• All Private and

Public Schools (K-12)

• Licensed Day Care Centers

• Licensed Home Day Cares

• Registered Day Care Ministries


Indiana Code: Defining “Public Park”

• IC 35-41-1-23.7 – “Public park" defined"Public park" means any property operated by a political subdivision for park purposes (as defined in IC 36-10-1-2).

• IC 36-10-1-2"Park purposes"Sec. 2. "Park purposes" include the establishment, equipment, and operation of parks, boulevards, pleasure drives, parkways, wheelways, park boulevards, bridlepaths, playgrounds, playfields, bathhouses, comfort stations, swimming pools, community centers, recreation centers, other recreational facilities, and recreational programs.

State Parks do not meet this criteria and are not part of the exclusion zone.


SAVI Data: Public Parks

Locations of:• Parks• Greenways and

Trails• Recreational

Facilities (2002)

Eliminate all that are not operated by a political subdivision

And Apply 1000’ Buffer


Indiana Code: Defining “Youth Program Center”

• IC 35-41-1-29 – “Youth program center" defined(a) "Youth program center" means the following:• (1) A building or structure that on a regular basis

provides recreational, vocational, academic, social, or other programs or services for persons less than eighteen (18) years of age.(2) The real property on which a building or structure described in subdivision (1) is located.

• (b) The term does not include school property (as defined in section 24.7 of this chapter).


SAVI Data: Youth Program Centers

Locations of:• Libraries• Youth Programs

(Connect2Help)• Community

Centers• Possibly Include

Churches with Sunday School

Apply 1000’ buffer


SAVI Data: Simplified Model of All Restricted Residency Locations


SAVI Data Sources

• Schools: Indiana Department of Education• Local parcel layers may be better

• Daycares: FSSA• Youth Programs: Connect2Help

• C2H is Central Indiana’s 211 agency

• Churches: Indianapolis Center for Congregations

• List of churches, but no information on youth programs.

• Libraries: Indiana State Library• Community Centers: United Way of Central

Indiana• No specifics on youth programs


Data Methodology


Geocoding

• The process of applying coordinates to tabular information that includes some type of ‘address’ reference.

• Allows you to ‘spatially enable’ your tabular dataset.Before Geocoding

After Geocoding


Geocoding to Centerlines

Also known as ‘Interpolation’ geocoding since the point is calculated between 2 points along a line.

Main St100 200

150 Main St. will geocode here…

…but might actually exist here

Errors can easily reach several hundred feet


Geocoding to Parcels

Parcel geocoding gives much higher geographic accuracy.

Addresses are placed at centroid of parcel. There is no interpolation error

Elm StM

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• Accuracy is not the only issue. Indiana code says the 1000 feet is measured from the property line, not any given point.



• Even geocoding to parcels presents problems.

• Local county parcel layers may be better sources if they have complete owner data.

Pike High School is composed of several different parcels


Data Quality and Limitations


Challenges

• Geocoding match rates• Data Timeframe • Completeness• Difficulty in classifying


Challenges

• Geocoding match rates• It could be possible to have a sex offender living next to a

daycare simply because we couldn’t geocode the daycare address.

• Data Timeframe• Recreational facilities data are from 2002 with no plans to

update.• Other datasets are updated regularly (e.g., daycares) but

we should consider working directly with data providers to get data as close to real time as possible.


Challenges

• Completeness• Identifying property that schools rent• Identifying youth programs from other sources

Many programs exist that are not included in the Connect2Help data.

• Difficulty in Classifying• Is it political subdivision?

Identifying owner is not always easy

• Does a school-owned parcel have a structure?• Parcel owner data is less complete for tax-exempt entities

such as schools and places of worship.


Questions

using savi information to improve decision making in central indiana

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